Apex Learning Quiz: Test Your Understanding Now

Dive into the world of Salesforce Apex with this concise 5-question quiz. Each question explores fundamental aspects of the Apex language, providing you with immediate feedback on your selections. Use this quiz as a learning tool to solidify your understanding and build a stronger foundation in Apex development.

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Which of the following is the correct way to declare an integer variable named recordCount in Apex?

int recordCount;

Integer recordCount;

RecordCount as Integer;

Dim recordCount as int;

What is the purpose of the trigger.new context variable in an Apex trigger?

It returns a list of the old versions of the records that were updated.

It returns a map of the old versions of the records that were updated, keyed by ID.

It returns a list of the new versions of the records that are being inserted or updated.

It returns a map of the new versions of the records that are being inserted or updated, keyed by ID.

Which of the following is the correct way to call a method named calculateTotal in a class named OrderService? Assume the method is static.

OrderService.calculateTotal();

new OrderService().calculateTotal();

calculateTotal.OrderService();

this.calculateTotal();

What is the purpose of the @future annotation in Apex?

To execute a method in the same transaction but after the current one commits.

To execute a method asynchronously in a separate thread.

To define a property that can be accessed from Visualforce pages.

To indicate a method that should be called before a DML operation.

Which type of loop in Apex is guaranteed to execute at least once?

for loop

while loop

do-while loop

forEach loop

Apex Learning Quiz: Test Your Understanding Now

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